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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Purpose: Object token callbacks for the native VOL connector
*/
/****************/
/* Module Setup */
/****************/
/***********/
/* Headers */
/***********/
#include "H5private.h" /* Generic Functions */
#include "H5Eprivate.h" /* Error handling */
#include "H5MMprivate.h" /* Memory handling */
#include "H5VLnative_private.h" /* Native VOL connector */
/****************/
/* Local Macros */
/****************/
/******************/
/* Local Typedefs */
/******************/
/********************/
/* Local Prototypes */
/********************/
/*********************/
/* Package Variables */
/*********************/
/*****************************/
/* Library Private Variables */
/*****************************/
/*******************/
/* Local Variables */
/*******************/
/*---------------------------------------------------------------------------
* Function: H5VL__native_token_cmp
*
* Purpose: Compare two of the connector's object tokens, setting
* *cmp_value, following the same rules as strcmp().
*
* Return: Success: 0
* Failure: (can't fail)
*
*---------------------------------------------------------------------------
*/
herr_t
H5VL__native_token_cmp(void H5_ATTR_UNUSED *obj, const H5O_token_t *token1, const H5O_token_t *token2,
int *cmp_value)
{
herr_t ret_value = SUCCEED;
FUNC_ENTER_PACKAGE_NOERR
/* Check parameters */
assert(token1);
assert(token2);
*cmp_value = memcmp(token1, token2, sizeof(H5O_token_t));
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5VL__native_token_cmp() */
/*---------------------------------------------------------------------------
* Function: H5VL__native_token_to_str
*
* Purpose: Serialize an object token into a string
*
* Return: Success: 0
* Failure: -1
*
*---------------------------------------------------------------------------
*/
herr_t
H5VL__native_token_to_str(void *obj, H5I_type_t obj_type, const H5O_token_t *token, char **token_str)
{
haddr_t addr;
size_t addr_ndigits;
herr_t ret_value = SUCCEED;
FUNC_ENTER_PACKAGE
/* Check parameters */
assert(obj);
assert(token);
if (H5VL_native_token_to_addr(obj, obj_type, *token, &addr) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTDECODE, FAIL, "can't convert object token to address");
if (addr == 0)
addr_ndigits = 1;
else
addr_ndigits = (size_t)(HDfloor(HDlog10((double)addr)) + 1);
if (NULL == (*token_str = H5MM_malloc(addr_ndigits + 1)))
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTALLOC, FAIL, "can't allocate buffer for token string");
HDsnprintf(*token_str, addr_ndigits + 1, "%" PRIuHADDR, addr);
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5VL__native_token_to_str() */
/*---------------------------------------------------------------------------
* Function: H5VL__native_str_to_token
*
* Purpose: Deserialize a string into an object token
*
* Return: Success: 0
* Failure: -1
*
*---------------------------------------------------------------------------
*/
herr_t
H5VL__native_str_to_token(void *obj, H5I_type_t obj_type, const char *token_str, H5O_token_t *token)
{
haddr_t addr;
herr_t ret_value = SUCCEED;
FUNC_ENTER_PACKAGE
/* Check parameters */
assert(token_str);
HDsscanf(token_str, "%" PRIuHADDR, &addr);
if (H5VL_native_addr_to_token(obj, obj_type, addr, token) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTDECODE, FAIL, "can't convert address to object token");
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5VL__native_str_to_token() */
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